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Corresponding Author

El-Maghraby, M.

Subject Area

Electrical Engineering

Article Type

Original Study

Abstract

This paper presents an approach by the aid of which combinations of photovoltaic (PVPS), wind (WES) and battery storage (BS) systems are investigated in supplying a daily load demand subject to a set of technical and economical constraints. On solving the design problem, accurate and short-term solar radiation and wind speed data are used. Seasonal variations in demand and climate as well as distinctive penetration levels of the renewable energy system effect appreciably the design parameters. The proposed approach has been extensively applied and programed to be run on a personal computer. The demand and generation output profiles are deduced and analysed for distinctive penetration levels of both PYPS and WES hypothetically installed at Mersa-Marruh and East-Oweinat in EGYPT. The BS is eliminated or reduced having a minimum capacity by applying what we call and propose, here, as PVPS and WES-aided load management. These systems result in competitive energy cost figure of $ 0.0136 (0.0299 L.E) and $ 0.0116 (0.0255 L.E) /kWh for Mersa-Matruh and East-Oweinat as Egyptian sires respectively. The most economic energy combination is thus deduced with the respective optimum penetration levels of their systems.

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